Nick Holywell-Walker
type: MusicGroup
description: Nick Holywell-Walker is a British musician best known as the touring keyboard player for English post-punk band Killing Joke, beginning in 1994. He left in 2004 to concentrate on his own projects. A s
popularity: 3
followers: 104
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x561e695960af9110e34c71734b0831c56673931d2797d63603ad3b591b567b39
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954346
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954346
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/95621468-235e-4f85-a44d-fa3d26ea93df.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/95621468-235e-4f85-a44d-fa3d26ea93df.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/95621468-235e-4f85-a44d-fa3d26ea93df
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:51:26Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x561e695960af9110e34c71734b0831c56673931d2797d63603ad3b591b567b39","name":"Nick Holywell-Walker","registered_at":"2026-06-17T17:46:14Z","symbol":"NIM1471359","token_address":"0x562e46186d16d14f98755b0b4bcc36e4f6bc1cac","type":"artist","uuid":"95621468-235e-4f85-a44d-fa3d26ea93df"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x561e695960af9110e34c71734b0831c56673931d2797d63603ad3b591b567b39. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/95621468-235e-4f85-a44d-fa3d26ea93df.json and https://artists.proofprofile.net/proofs/artist/95621468-235e-4f85-a44d-fa3d26ea93df.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:51:26Z
  text: {"copyright_id":"0x561e695960af9110e34c71734b0831c56673931d2797d63603ad3b591b567b39","name":"Nick Holywell-Walker","registered_at":"2026-06-17T17:46:14Z","symbol":"NIM1471359","token_address":"0x562e46186d16d14f98755b0b4bcc36e4f6bc1cac","type":"artist","uuid":"95621468-235e-4f85-a44d-fa3d26ea93df"}
album: Dramatic Journeys
  type: MusicAlbum
  date published: 2015-04-27
album: Killer Crime
  type: MusicAlbum
  date published: 2021-02-24